Echdynnu Haearn

Echdynnu Haearn

6th - 10th Grade

11 Qs

quiz-placeholder

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Echdynnu Haearn

Echdynnu Haearn

Assessment

Quiz

Chemistry

6th - 10th Grade

Practice Problem

Medium

Created by

E Evans

Used 49+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pa ddeunydd crai sy'n tynnu'r amhureddau?

golosg

aer poeth

calchfaen

mwyn haearn

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pa ddeunydd crai sy'n ffynhonell o garbon?

golosg

aer poeth

calchfaen

mwyn haearn

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pa ddeunydd crai sy'n ffynhonell o haearn?

golosg

aer poeth

calchfaen

mwyn haearn

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pa ddeunydd crai sy'n galluogi llosgi'r golosg?

golosg

aer poeth

calchfaen

mwyn haearn

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Nodwch y cynhyrchion sy'n dod o'r ffwrnais chwyth

Calchfaen

Slag

Haearn

Golosg

Ocsigen

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Caiff llawer o'r haearn ei newid i mewn i ddur sy'n ________ haearn.

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

___ + O2 --> CO2

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